From f53b28c6dffebbd554d5c07b3abc03b83a8c89ad Mon Sep 17 00:00:00 2001
From: Kristof Provost <kp@FreeBSD.org>
Date: Thu, 13 Jul 2023 20:31:06 +0200
Subject: [PATCH] Fix i386 MINIMAL build

Include systm.h in i386's counter.h, so it can use critical_*().

In file included from /usr/src/sys/netinet6/ip6_var.h:250:
In file included from /usr/src/sys/sys/counter.h:37:
./machine/counter.h:191:3: error: call to undeclared function 'critical_enter'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
                critical_enter();
                ^
./machine/counter.h:193:3: error: call to undeclared function 'critical_exit'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
                critical_exit();
                ^
---
 sys/i386/include/counter.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/i386/include/counter.h b/sys/i386/include/counter.h
index 1b3fc4c638e..2a54e2b725e 100644
--- a/sys/i386/include/counter.h
+++ b/sys/i386/include/counter.h
@@ -35,6 +35,7 @@
 #ifdef INVARIANTS
 #include <sys/proc.h>
 #endif
+#include <sys/systm.h>
 #include <machine/md_var.h>
 #include <machine/specialreg.h>